SUMMARY

• Senior developer with 6+ years of experience in Java/J2EE technologies and related tools.
• Excellent experience working on concurrent and distributed environment using high performance java code.
• In - depth understanding of identifying data artifacts and organizing structures for indexing via Apache Solr/Lucene.
• Experience handling SQL, NoSQL databases like oracle and Cassandra and mongodb.
• Integrated application with big data environment using Cassandra and Hadoop hdfs.
• Developed application to work with kafka, zookeeper clusters.
• Enterprise Application Development expertise with Java technologies like Servlets, JSP, STRUTS, JSF, SPRING 2.5, HIBERNATE 3.
• Worked on third party api’s like Salesforce Apex Api.
• Involved in writing kafka consumer to push data on Hadoop HDFS.
• Experience in Core Java, J2EE concepts.
• Experience in SQL, MYSQL database.
• Expert level knowledge on HTML, JavaScript, jQuery, AJAX, ReactJS, Jasmine.
• Having good interactions with IDE’s Eclipse and Net Beans.
• Good experience on Agile and SCRUM methodologies.
• Expertise in Web Sphere, Apache Tomcat 6.0 and Weblogic Application Servers.
• Experience in scripting languages.
• Extensively worked on relational databases including Oracle, DB2, and SQL Server and hands on experience with DB tools like TOAD, and SQL Developer.
• Strong experience in developing Service Oriented Architecture based applications and web services using SOAP 1.1.
• Profound knowledge about software development environments and substantial talent in achieving critical solutions.
• Efficient analytical, problem-solving and decision-making skills. Outstanding communication, documentation, knowledge transfer & requirement gathering skills.

TECHNICAL SKILLS

Operating Systems: Windows, MS-DOS, OS X, UNIX

Technologies: Java, Python, C, PL/SQL, HTML/CSS, JavaScript, XML, jQuery, AJAX, Struts, Spring, Hibernate, Servlets, JSP, Java beans, JDBC, Perl, JFree Charts, EJB, JNDIServers Tomcat, Weblogic Server, Web Sphere, Jboss

Development IDE: Eclipse, NetBeans, IBM Rational Application Developer (RAD)

Testing Tools: Selenium IDE, Selenium RC, QTP

Tools: Eclipse, Oracle JDeveloper, JUnit, WinCVS, Maven, ANT, Log4J, Agile, TOAD, SQLDeveloper, XMLSpy, JIRA, UML, Subversion, PMD Checkstyle, Jupiter, FindBugs, Git, eGit.

Databases: SQL, MySQL, Oracle DB,Cassandra

PROFESSIONAL EXPERIENCE

Confidential, San Ramon, CA

JAVA Developer

Responsibilities:

• Work extensively on both front end and back end of the application.
• Coded the functionality to generate graphs and locations with Google graphs, Google maps and jQuery Plot.
• Implemented writing and fetching data with Cassandra partitions.
• Involved in modeling data for Cassandra using Byteordered and Random partitioning.
• Implemented custom indexing for the Lucene to search and load other descriptors of the data.
• Implemented override of comparators and file writing to support Hadoop HDFS file system
• Used Hibernate to build the logic for Data caching and handling.
• Involved in writing Hibernate Query Language (HQL) script to optimize data retrieval and writing complex queries.
• Implemented logic using jQuery plugins for the web application.
• Implemented the application using Spring MVC framework.
• Utilized Agile development to streamline development process.
• Created graphical application using Unix Shell Scripting.
• External api’s were integrated using the RESTful web services.
• Used Spring DAO to handle the SQL exception meaningfully
• Implemented J2EE Design patterns like Data Access Objects, Business Objects, Session Facade and Java Design Patterns like Singleton.
• Used CVS for version control.
• Used Maven for building and deployment of the application.
• Implemented logging using log4j.
• Developed unit tests to validate the code updates.

Environment: HTML, CSS, JavaScript, jQuery, Spring, Hibernate, Solr, Lucene, AOP, HQL, Maven, Spring MVC, Perl, Shell Scripts,log4j, Cassandra

Confidential

Responsibilities:

• Involved in writing consumer and producer for fetching and sending messages via Kafka to the mongo database for analysis of the data.
• Implemented the kafka consumer to write data in Hadoop HDFS file system and on cassandra simultaneously.
• Developed NoSQL based data layer for the application.
• Involved in building JMX monitoring application to monitor the status of kafka servers and application status looking for possible runtime watch.
• DevelopedFront-end to give the input counters by the end user for analysis.
• Integrated runtime jQuery/AJAX calls to the backend application for building the reports on the page.
• Maintaining the ongoing changes in the project during the time of an event.
• Coded the functionality to generate the analysis reports.
• Develop, test and support application using Java and Ajax.
• Used JMS(Java Messaging Service) to connect to Salesforce Apex api so the venue reports are updated to the appropriate clients.
• CVS version control was used.
• Using JQuery to build the menu and navigations.
• Used Maven for building and deployment of the application.
• Implemented logging using log4j.
• Developed unit tests to validate the code updates.

Environment: Java, Spring, kafka, zookeeper, jQuery Plot,log4j, JavaScript, jQuery, Ajax and Cassandra.

Confidential

Responsibilities:

• Developed a tool to perform necessary calculations.
• Developed user friendly interface that accepts diverse inputs.
• Created UML Diagrams includes Use Cases, Class, Sequence, State Chart, Activity and Collaboration for the system using Enterprise Architect.
• JavaScript, HTML and CSS have been used for implementing the client side.
• Wrote complex SQL queries using hibernates native SQL.
• Coded the functionality with all available math operators.
• Used Hibernate to interact with the data layer of the application.
• Used core Java concepts to generate the reports by merging the files.
• Wrote SQL queries to access data from MYSQL database

Environment: HTML, CSS, JavaScript, jQuery, Spring, Hibernate, Perl, Oracle database, MYSQL

Confidential

Responsibilities:

• Backend database connection is established using a java program.
• File operations are performed to store the huge dataset(in GB’s) that is being collected
• Memory issues are handled.
• Performed necessary calculations using java program to determine the throttle rate.
• Maintaining the ongoing project.
• Involved in writing the exception and validation classes using core java andStruts validation rules.
• Learned and implemented the calls to Salesforce Apex based service interface and integrated with the application using Java Messaging Service (JMS).
• Involved in hibernate configuration, object to table mappings, and transactions.
• Developed a code forWeb servicesusingXML,SOAPand usedSOAP UItool for testing the services.
• Create a front end application to access the data and perform analysis.

Environment: Java, Struts framework, EJB, Hibernate, Oracle database

Confidential

Responsibilities:

• Involved in the front-end design.
• Developed preferences and configuration part of the application.
• Maintenance of ongoing changes in the tool.

Environment: Java, Struts framework, Oracle database

Confidential, Stamford, CT

JAVA Developer

Responsibilities:

• IntegratedHibernateandSpringwithSpring ORMmodule.
• Extensively used XML beans, XSLT schemas and XML.
• Configured weblogic connection pools, data sources and deployed EAR file in weblogic application server.
• Developed build scripts to generate EAR and WAR files
• Extensively used jQuery, AJAX, XPATH for reports generation from XML files
• Used Perforce for version control.
• Developed Unix Shell Script for copying, removing and deploying java applications to Application server.
• Used Junit framework for unit testing of application and Log4j to capture errors.
• Developed a RESTful web service API for the application for external teams usage.

Environment: Java, Spring, Hibernate, jQuery, AJAX, Shell Script, JavaScript and RESTful web service, Junit framework, XPATH, XSLT, XML, Oracle, Cassandra

Confidential, Columbus, Ohio

JAVA Developer

Responsibilities:

• Used Test Driven Development using Agile methodology.
• Used Hibernate ORM for data persistence.
• Developed application using Spring IOC to communicate with persistence layer.
• Developed REST API for the application.
• Extensively used jQuery, AJAX, XML, JavaScript

Environment: Java, Spring, Hibernate, jQuery, AJAX, JavaScript and RESTful web service, Junit framework, XML, Oracle